Current population in Calaveras County is about 46,000. The current median household income is $53,500, and the median home value is $305,300. Its county seat is San Andreas. Angels Camp is the only incorporated city within the county. This county has rolling hills, large valleys, many caverns and agricultural areas (including wineries). Calaveras Big Trees State Park is a preserve for giant sequoia trees. Calaveras County is also known for its annual fair and Jumping Frog Jubilee, held in honor a Mark Twain story.

Calaveras County is a 1,037 square mile area in Northern California’s Gold Country in the Sierra Nevada. The Stanislaus River forms the county’s southern boundary. The county's geography includes beautiful landmarks, rolling hills, and giant valleys.

Calaveras County was one of the original counties of the state of California, created in 1850 at the time of admission to the Union. Parts of the county's territory were reassigned to Amador County in 1854 and to Alpine County in 1864. Gold prospecting in Calaveras County began in late 1848 with a camp founded by Henry and George Angel.